a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc

Analysis

max time kernel
151s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 00:27

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General

Target

a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe
Size

435KB
MD5

63bbd8f2f8577e4f11458f249ab60976
SHA1

b8d45ef3cad57ea680e9f870385f5b3c8d8f1e43
SHA256

a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc
SHA512

3db2c50fd51a855f19c118f82b08bfc152c70328bfbfd32c3382d9f3fc78c88051d3418612e4c954c21677cc99196622e6192590ff0939219dd8c3fc7c30a963
SSDEEP

12288:zutrzh9xOXkARDGDSpa+0XHDaOO910idKIqHoeAtqtv:zutr5OUAFpbejaIidKIgAU

Score

8^/10

evasion

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
2008	loader.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wmiprise.exe	loader.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wmiprise.exe	loader.exe

Loads dropped DLL 2 IoCs

pid	Process
864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe
864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2008	loader.exe
2008	loader.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28
PID 864 wrote to memory of 2008	864	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	28

C:\Users\Admin\AppData\Local\Temp\a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe
"C:\Users\Admin\AppData\Local\Temp\a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864
- C:\Users\Admin\AppData\Local\Temp\loader.exe
  "C:\Users\Admin\AppData\Local\Temp\loader.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Suspicious use of SetWindowsHookEx
  PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
573KB

MD5
201cdbaeb7b47c5e055a22ae95fb38b1

SHA1
a8c3955836c7e405e6875e8b3e347d03106d2239

SHA256
38b13ad8a9f80dcc60988d9470989bd74eec8a637113b39ed1d3d7b006452c6d

SHA512
b3d32aaac74e7871da98ef2fe449e26e592b0e0cc6e9f073b4ff5b524d4a9ea9b4800fbcd0b43e8393aab44fc50ab09be0355cb1c1a4bdd41ec98ced1088b069

Download Submit
C:\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
573KB

MD5
201cdbaeb7b47c5e055a22ae95fb38b1

SHA1
a8c3955836c7e405e6875e8b3e347d03106d2239

SHA256
38b13ad8a9f80dcc60988d9470989bd74eec8a637113b39ed1d3d7b006452c6d

SHA512
b3d32aaac74e7871da98ef2fe449e26e592b0e0cc6e9f073b4ff5b524d4a9ea9b4800fbcd0b43e8393aab44fc50ab09be0355cb1c1a4bdd41ec98ced1088b069

Download Submit
\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
573KB

MD5
201cdbaeb7b47c5e055a22ae95fb38b1

SHA1
a8c3955836c7e405e6875e8b3e347d03106d2239

SHA256
38b13ad8a9f80dcc60988d9470989bd74eec8a637113b39ed1d3d7b006452c6d

SHA512
b3d32aaac74e7871da98ef2fe449e26e592b0e0cc6e9f073b4ff5b524d4a9ea9b4800fbcd0b43e8393aab44fc50ab09be0355cb1c1a4bdd41ec98ced1088b069

Download Submit
\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
573KB

MD5
201cdbaeb7b47c5e055a22ae95fb38b1

SHA1
a8c3955836c7e405e6875e8b3e347d03106d2239

SHA256
38b13ad8a9f80dcc60988d9470989bd74eec8a637113b39ed1d3d7b006452c6d

SHA512
b3d32aaac74e7871da98ef2fe449e26e592b0e0cc6e9f073b4ff5b524d4a9ea9b4800fbcd0b43e8393aab44fc50ab09be0355cb1c1a4bdd41ec98ced1088b069

Download Submit
memory/864-54-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/864-55-0x00000000745C1000-0x00000000745C3000-memory.dmp

Filesize
8KB

Download